Which excerpt provides a clue to the time period in which "Homesickness" takes place?

Question

“As well as this, she kept being sick and refused to eat and ran a temperature. . . .”
“I set about devising a stunt for getting myself sent back home. . . .”
“. . . she had had a nurse’s training and she didn’t want a ruptured appendix on her hands.”
“I was taken home across the Bristol Channel on the paddle-steamer. . . .”

Answer 1

“I was taken home across the Bristol Channel on the paddle-steamer. . . .”